Question

(x + 3) 2 + (x-3)2- 2x2 + 16

Answer 1

• $(x+3)^{2}+(x-3)^{2}-2x^{2}+16$

• $4(x)(3)-2x^{2} +16$

• $12x-2x^{2} +16$

• $-2x^{2} +12x+16$

• RPTA=$-2x^{2} +12x+16$